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Nucleon structure vs. theoretical models

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Abstract.

An overview of nucleon structure as revealed by low-energy and intermediate-energy observables is presented. The role of seaquarks is identified as the complicating feature, which has prevented capture of the overall phenomenological features by quark models with simple interactions as well as by lattice calculations in the quenched approximation, however sophisticated. The large-NC limit of QCD provides a simple and qualitatively satisfactory framework for the description the observables of the baryons and their lowest excitations.

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Author information

Authors and Affiliations

  1. Helsinki Institute of Physics and Department of Physics, University of Helsinki, PL 64, 00014, Finland

    D.O. Riska

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  1. D.O. Riska
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Correspondence to D.O. Riska.

Additional information

Received: 1 November 2002, Published online: 15 July 2003

PACS:

12.39.-x Phenomenological quark models - 14.20.Dh Protons and neutrons

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Riska, D. Nucleon structure vs. theoretical models. Eur. Phys. J. A 17, 297–301 (2003). https://doi.org/10.1140/epja/i2002-10170-1

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  • DOI: https://doi.org/10.1140/epja/i2002-10170-1

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